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20202303032111 = 157911279355521
BaseRepresentation
bin1001001011111101101110…
…00110001000101100101111
32122112022200020022100021202
410211332313012020230233
510121443304034011421
6110544450534120115
74153365621306134
oct445766706105457
978468606270252
1020202303032111
116489826430362
1223234124b003b
13b370b879a1b5
144dbb2215a58b
152507955ca10b
hex125fb7188b2f

20202303032111 has 4 divisors (see below), whose sum is σ = 20203582403424. Its totient is φ = 20201023660800.

The previous prime is 20202303032089. The next prime is 20202303032129. The reversal of 20202303032111 is 11123030320202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20202303032111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202303032911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639661970 + ... + 639693551.

It is an arithmetic number, because the mean of its divisors is an integer number (5050895600856).

Almost surely, 220202303032111 is an apocalyptic number.

20202303032111 is a deficient number, since it is larger than the sum of its proper divisors (1279371313).

20202303032111 is a wasteful number, since it uses less digits than its factorization.

20202303032111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279371312.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20202303032111 its reverse (11123030320202), we get a palindrome (31325333352313).

The spelling of 20202303032111 in words is "twenty trillion, two hundred two billion, three hundred three million, thirty-two thousand, one hundred eleven".

Divisors: 1 15791 1279355521 20202303032111